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Increase limit of partial key length in MEMORY storage engine

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to the same as a full key. (Bug #10566)


mysql-test/r/heap.result:
  Update results
mysql-test/t/heap.test:
  Add test for bug #10566
sql/ha_heap.h:
  Add max_supported_key_part_length() method.
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unknown 2005-05-24 12:21:15 -07:00
commit 6ae9eb48d5
3 changed files with 15 additions and 0 deletions
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mysql-test/t/heap.test
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@ -224,3 +224,12 @@ insert t1 (a) values (1);
insert t1 (a) values (1);
select * from t1;
drop table t1;
#
# Bug #10566: Verify that we can create a prefixed key with length > 255
#
create table t1 (c char(255), primary key(c(90)));
insert into t1 values ("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
--error 1062
insert into t1 values ("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
drop table t1;